diff --git a/frontend/packages/dashboard/src/call.js b/frontend/packages/dashboard/src/call.js
index a332d20e..e79e5928 100644
--- a/frontend/packages/dashboard/src/call.js
+++ b/frontend/packages/dashboard/src/call.js
@@ -354,10 +354,10 @@ export function renderApprovals() {
         '↳ view diff');
       diffBtn.addEventListener('click', () => openDiffPanel(a));
       drill.append(diffBtn);
-      if (forgeBase && a.sha_short) {
+      if (forgeBase && a.sha_full) {
         drill.append(el('a', {
           class: 'panel-trigger', target: '_blank', rel: 'noopener',
-          href: `${forgeBase}/agent-configs/${a.agent}/commit/${a.sha_short}`,
+          href: `${forgeBase}/agent-configs/${a.agent}/commit/${a.sha_full}`,
           title: 'this proposal commit on the hive forge',
         }, '↳ commit on forge ↗'));
       }
diff --git a/hive-c0re/src/dashboard/state_snapshot.rs b/hive-c0re/src/dashboard/state_snapshot.rs
index 18470db2..fb807474 100644
--- a/hive-c0re/src/dashboard/state_snapshot.rs
+++ b/hive-c0re/src/dashboard/state_snapshot.rs
@@ -234,7 +234,15 @@ struct ApprovalView {
     agent: String,
     kind: &'static str,
     /// First 12 chars of the `commit_ref`, for `ApplyCommit` only.
+    /// Display-only (the short chip on the card).
     sha_short: Option<String>,
+    /// Full commit sha, for `ApplyCommit` only. The frontend builds the
+    /// "commit on forge" link from this rather than `sha_short`: forgejo
+    /// 404s an abbreviated sha for the proposal commit (it lives on a
+    /// `proposal/<id>` tag ref, which forgejo won't disambiguate a short
+    /// hash against), but resolves the full 40-char sha by direct lookup.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    sha_full: Option<String>,
     /// Raw unified diff text, for `ApplyCommit` only. The client splits
     /// on `\n` and per-line classifies (`+` / `-` / `@@` / `--- ` / `+++ `
     /// → diff-add / diff-del / diff-hunk / diff-file). Shipping raw
@@ -584,6 +592,7 @@ async fn build_approval_views(approvals: Vec<Approval>) -> Vec<ApprovalView> {
                     agent: a.agent.clone(),
                     kind: "apply_commit",
                     sha_short: Some(sha),
+                    sha_full: Some(displayed.to_owned()),
                     diff: Some(diff),
                     description: a.description,
                     pr_number: None,
@@ -596,6 +605,7 @@ async fn build_approval_views(approvals: Vec<Approval>) -> Vec<ApprovalView> {
                 agent: a.agent,
                 kind: "spawn",
                 sha_short: None,
+                sha_full: None,
                 diff: None,
                 description: a.description,
                 pr_number: None,
@@ -607,6 +617,7 @@ async fn build_approval_views(approvals: Vec<Approval>) -> Vec<ApprovalView> {
                 agent: a.agent,
                 kind: "init_config",
                 sha_short: None,
+                sha_full: None,
                 diff: None,
                 description: a.description,
                 pr_number: None,
@@ -618,6 +629,7 @@ async fn build_approval_views(approvals: Vec<Approval>) -> Vec<ApprovalView> {
                 agent: a.agent,
                 kind: "update_meta_inputs",
                 sha_short: None,
+                sha_full: None,
                 diff: None,
                 description: a.description,
                 pr_number: None,
@@ -629,6 +641,7 @@ async fn build_approval_views(approvals: Vec<Approval>) -> Vec<ApprovalView> {
                 agent: a.agent,
                 kind: "schedule_prompt",
                 sha_short: None,
+                sha_full: None,
                 diff: None,
                 description: a.description,
                 pr_number: None,
@@ -651,6 +664,7 @@ async fn build_approval_views(approvals: Vec<Approval>) -> Vec<ApprovalView> {
                     agent: a.agent,
                     kind: "merge_config_pr",
                     sha_short: sha,
+                    sha_full: None,
                     diff: None,
                     description: a.description,
                     pr_number,